20947350

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{1913}}^1$

素因数の和:2001

約数の個数: 48

約数和(自身を含む): 52688592

約数和(自身を除く): 31741242

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 73, 75, 146, 150, 219, 365, 438, 730, 1095, 1825, 1913, 2190, 3650, 3826, 5475, 5739, 9565, 10950, 11478, 19130, 28695, 47825, 57390, 95650, 139649, 143475, 279298, 286950, 418947, 698245, 837894, 1396490, 2094735, 3491225, 4189470, 6982450, 10473675, 20947350]

約数ペア:

[(1, 20947350), (2, 10473675), (3, 6982450), (5, 4189470), (6, 3491225), (10, 2094735), (15, 1396490), (25, 837894), (30, 698245), (50, 418947), (73, 286950), (75, 279298), (146, 143475), (150, 139649), (219, 95650), (365, 57390), (438, 47825), (730, 28695), (1095, 19130), (1825, 11478), (1913, 10950), (2190, 9565), (3650, 5739), (3826, 5475)]